“…62 Other drugs occasionally used as corticosteroid-sparing agents in patients with severe autoimmune bullous disease include levamisole, 63 antimalarial drugs, 64 and chlorambucil, 65 although none of these are now recommended often. Treatment with high-dose intravenous immune globulin is reportedly ineffective in patients with pemphigus, 66 but it may be beneficial, together with prednisone, in patients with bullous pemphigoid 67,68 or epidermolysis bullosa acquisita 69 who do not respond to or cannot tolerate other therapies. Extracorporeal photochemotherapy was beneficial in a few patients with severe pemphigus vulgaris 70,71 or epidermolysis bullosa acquisita.…”